bumblebee binary package in Ubuntu Bionic s390x

Bumblebee is an effort to make NVIDIA Optimus enabled laptops work in
GNU/Linux systems. These laptops are built in such a way that the NVIDIA
graphics card can be used on demand so that battery life is improved and
temperature is kept low.
.
It disables the discrete graphics card if no client is detected, and starts
an X server making use of NVIDIA card if requested then let software GL
implementations (such as VirtualGL) copy frames to the visible display that
runs on the integrated graphics. The ability to use discrete graphics
depends on the driver: open source nouveau and proprietary nvidia.